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In this paper we present the results of noise analysis in piezoresistive ceramic pressure sensors (CPSs) prepared by low temperature co-fired ceramics (LTCC) technology. For this study a piezoresistive CPSs in a full Wheatstone-bridge configuration were prepared. Low frequency noise measurements can be used for the quality evaluation of CPSs. The critical and non-critical defects could be determined...
Selectivity and sensitivity of gas sensing can be improved by fluctuation enhanced sensing. This possibility was investigated in resistive Taguchi Gas Sensors (TGS). Research results confirm that such an approach can strongly increase gas detection sensitivity. We suppose that low frequency fluctuations can be utilized to improve gas detection in other types of gas sensors. Fluctuations in the Quartz...
This paper presents an improvement of the resonant ultrasound spectroscopy (RUS) inverse procedure for determination of elastic properties of shape memory alloys. Reliable mode identification and, thus, a well-posed resonance inversion was achieved by evaluation of both resonance frequencies and eigenvibration modes using a scanning laser interferometry measurement. The proposed approach was verified...
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